/Engine/Plugins/Media/MediaMovieStreamer/Source/MediaMovieStreamer/Public/MediaMovieStreamerModule.h
Call this to get the MovieStreamer.
static const [TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< [FMediaMovieStreamer](API\Plugins\MediaMovieStreamer\FMediaMovieStreamer), ESPMode::ThreadSafe > GetMovieStreamer()